Java supports class reuse through inheritance and composition.This two-part tutorial teaches you how to use inheritance in your Java programs. What you’ll learn in this Java tutorial ...

(See Java 101: Inheritance in Java, Part 2 for more about working with superclasses.) How to break a subclass: An example To understand this problem, suppose you’ve purchased a library of Java ...

Twenty-three years ago, in his Design Principles and Design Patterns article, Robert "Uncle Bob" Martin boiled down the Liskov substitution principle to the idea that "derived classes should be ...